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2026-07-13 13:35:51 +08:00

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#!/bin/bash
# Helper script to build graphbolt libraries for PyTorch
set -e
mkdir -p build
mkdir -p $BINDIR/graphbolt
cd build
if [ $(uname) = 'Darwin' ]; then
CPSOURCE=*.dylib
else
CPSOURCE=*.so
fi
# We build for the same architectures as DGL, thus we hardcode
# TORCH_CUDA_ARCH_LIST and we need to at least compile for Volta. Until
# https://github.com/NVIDIA/cccl/issues/1083 is resolved, we need to compile the
# cuda/extension folder with Volta+ CUDA architectures.
TORCH_CUDA_ARCH_LIST="Volta"
if ! [[ -z "${CUDAARCHS}" ]]; then
# The architecture list is passed as an environment variable, we set
# TORCH_CUDA_ARCH_LIST to the latest architecture.
CUDAARCHSARR=(${CUDAARCHS//;/ })
LAST_ARCHITECTURE=${CUDAARCHSARR[-1]}
# TORCH_CUDA_ARCH_LIST has to be at least 70 to override Volta default.
if (( $LAST_ARCHITECTURE >= 70 )); then
# Convert "75" to "7.5".
TORCH_CUDA_ARCH_LIST=${LAST_ARCHITECTURE:0:-1}'.'${LAST_ARCHITECTURE: -1}
fi
fi
CMAKE_FLAGS="-DCUDA_TOOLKIT_ROOT_DIR=$CUDA_TOOLKIT_ROOT_DIR -DUSE_CUDA=$USE_CUDA -DTORCH_CUDA_ARCH_LIST=$TORCH_CUDA_ARCH_LIST"
echo "graphbolt cmake flags: $CMAKE_FLAGS"
if [ $# -eq 0 ]; then
$CMAKE_COMMAND $CMAKE_FLAGS ..
make -j
cp -v $CPSOURCE $BINDIR/graphbolt
else
for PYTHON_INTERP in $@; do
TORCH_VER=$($PYTHON_INTERP -c 'import torch; print(torch.__version__.split("+")[0])')
mkdir -p $TORCH_VER
cd $TORCH_VER
$CMAKE_COMMAND $CMAKE_FLAGS -DPYTHON_INTERP=$PYTHON_INTERP ../..
make -j
cp -v $CPSOURCE $BINDIR/graphbolt
cd ..
done
fi